ISRC USASX0829409
Verified recording
USASX0829409 is “Waltz No. 3 in A Minor, Op. 34, No. 2 (arr. for guitar)” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0x84c0a4562ab7c8a4ad6877e2000a5dbb0af0c074d9e58b6a1c9b53f14d2075a6 and independently timestamped
in Bitcoin block 960170 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0829409.
Recording identifiers
- ISRC
- USASX0829409
- Title
- Waltz No. 3 in A Minor, Op. 34, No. 2 (arr. for guitar)
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0x84c0a4562ab7c8a4ad6877e2000a5dbb0af0c074d9e58b6a1c9b53f14d2075a6
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:52:38+00:00
- Bitcoin block
- 960170
- Canonical record hash
sha256:6b08ee97cd1055d9a26f724db45d039a9d329465a6c071337eea6ef821b1ff5d- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USASX0829409
- Bitcoin block existence check
- https://blockstream.info/api/block/960170
Full record
Track page: Waltz No. 3 in A Minor, Op. 34, No. 2 (arr. for guitar) · Machine-readable JSON-LD